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Cluster of Dark Matter Baffles Scientists
Scientist are mystified by the existence of a clump of 'dark matter' in the galaxy cluster called Abell 520.
Black Holes Billions of Times Bigger Than the Sun?
Astronomers say they've found the two biggest black holes yet.
Scientists Say Colossal Comet Almost Hit Earth
Mexican astronomers say a comet came within a hair’s width -- astronomically speaking -- of ending the world in spectacular fashion back in 1883.
Astronomers Discover Planet Made of Diamond
A planet five times the size of Earth and weighing as much as Jupiter is made of crystallized carbon - making it the world's largest diamond.
Trojan Asteroid Found Near Earth
A Trojan asteroid, stuck between the gravity of the Earth and the Sun, leads our planet around in orbit like a dog on a leash.
A Watery Quasar in a Young Universe
Scientists have found a quasar with more water around it than trillions of Earths.
Astronomers Discover Pluto's Fourth Moon
The dwarf planet's other three moons were discovered between 1978 and 2005.
Most Complete Map of Near Universe Unveiled
Scientists finish a project to add distance data to a map of the universe, creating a 3D image.
Most Powerful Gamma Ray Flares Ever Seen
The Crab Nebula emits high-energy flares, and no one knows why.
